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untracked cache: save to an index extension

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Helped-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Nguyễn Thái Ngọc Duy
2015-03-08 17:12:33 +07:00
committed by Junio C Hamano
parent be0d9d5323
commit 83c094ad0d
5 changed files with 213 additions and 0 deletions
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12
read-cache.c
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@ -39,6 +39,7 @@ static struct cache_entry *refresh_cache_entry(struct cache_entry *ce,
#define CACHE_EXT_TREE 0x54524545 /* "TREE" */
#define CACHE_EXT_RESOLVE_UNDO 0x52455543 /* "REUC" */
#define CACHE_EXT_LINK 0x6c696e6b /* "link" */
#define CACHE_EXT_UNTRACKED 0x554E5452 /* "UNTR" */
/* changes that can be kept in $GIT_DIR/index (basically all extensions) */
#define EXTMASK (RESOLVE_UNDO_CHANGED | CACHE_TREE_CHANGED | \
@ -2047,6 +2048,17 @@ static int do_write_index(struct index_state *istate, int newfd,
if (err)
return -1;
}
if (!strip_extensions && istate->untracked) {
struct strbuf sb = STRBUF_INIT;
write_untracked_extension(&sb, istate->untracked);
err = write_index_ext_header(&c, newfd, CACHE_EXT_UNTRACKED,
sb.len) < 0 ||
ce_write(&c, newfd, sb.buf, sb.len) < 0;
strbuf_release(&sb);
if (err)
return -1;
}
if (ce_flush(&c, newfd, istate->sha1) || fstat(newfd, &st))
return -1;